MHT CET 2024 16th May Evening Shift | Electrochemistry Question 1 | Chemistry

Calculate the cell constant of conductivity cell containing 0.1 M KCl solution having resistance $60 \Omega$ and conductivity $0.014 \Omega^{-1} \mathrm{~cm}^{-1}$ at $25^{\circ} \mathrm{C}$.

$0.42 \mathrm{~cm}^{-1}$

$0.84 \mathrm{~cm}^{-1}$

$0.60 \mathrm{~cm}^{-1}$

$1.04 \mathrm{~cm}^{-1}$

MHT CET 2024 16th May Evening Shift

MCQ (Single Correct Answer)

-0

What is the number of faraday required to produce 0.18 g aluminium at cathode during electrolysis of molten $\mathrm{AlCl}_3$ ? (Molar mass of $\mathrm{Al}=27 \mathrm{~g} \mathrm{~mol}^{-1}$ )

0.02 F

0.03 F

0.25 F

0.30 F

MHT CET 2024 16th May Evening Shift

MCQ (Single Correct Answer)

-0

Which from following equations represents a correct relationship between standard cell potential and equilibrium constant for cell reaction?

$\mathrm{E}_{\text {cell }}^{\circ}=-\frac{2.303 \mathrm{RT}}{\mathrm{nF}}$

$\mathrm{E}_{\text {cell }}^{\circ}=\frac{0.0592}{\mathrm{nF}} \log _{10} \mathrm{K}$

$\mathrm{E}_{\text {cell }}^{\circ}=\frac{0.0592}{\mathrm{n}} \log _{10} \mathrm{K}$

$\mathrm{E}_{\text {cell }}^{\circ}=\frac{0.0592}{\mathrm{n}} \ln \mathrm{K}$

MHT CET 2024 16th May Morning Shift

MCQ (Single Correct Answer)

-0

What is the conductivity of 0.05 M NaOH solution having resistance 31.5 ohm and cell constant $0.315 \mathrm{~cm}^{-1}$ ?

$100 \mathrm{~ohm}^{-1} \mathrm{~cm}^{-1}$

$0.02 \mathrm{~ohm}^{-1} \mathrm{~cm}^{-1}$

$0.09 \mathrm{~ohm}^{-1} \mathrm{~cm}^{-1}$

$0.01 \mathrm{~ohm}^{-1} \mathrm{~cm}^{-1}$

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